A judge has ordered the private investigator who intercepted the voicemail messages of politicians and celebrities to name the journalists who commissioned the illicit hacks.
Glenn Mulcaire and disgraced News of the World Royal correspondent Clive Goodman were jailed for six months and four years, respectively, back in 2007 …

Eh?

@Eh?

I'm not American and I know that the English Caution runs "You do not have to say anything, but it may harm your defence if you do not mention, when questioned, something which you later rely on in court. Anything you do say may be given in evidence."

It does not matter whether he has been convicted or not, he is still entitled to maintain his silence if he believes that to break that silence would incriminate him. This is a right which has been confirmed by the European Court on Human Rights.

For the Judge to issue an ultimatum "give up your right to silence or we'll jail you" is unconscionable.

@gun -> head

Have you not heard ...

... of offences like obstruction of justice or conspiracy? These people abused their victim's right to privacy and it's only fair that they should be brought to justice. The police and courts are right to pursue them, using legal means to find out what happened.